16798453 has 16 divisors (see below), whose sum is σ = 20119680. Its totient is φ = 13720896.

The previous prime is 16798447. The next prime is 16798459. The reversal of 16798453 is 35489761.

It is an interprime number because it is at equal distance from previous prime (16798447) and next prime (16798459).

It is a de Polignac number, because none of the positive numbers 2^k-16798453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16798459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16351 + ... + 17347.

It is an arithmetic number, because the mean of its divisors is an integer number (1257480).

Almost surely, 2^16798453 is an apocalyptic number.

It is an amenable number.

16798453 is a deficient number, since it is larger than the sum of its proper divisors (3321227).

16798453 is an equidigital number, since it uses as much as digits as its factorization.

16798453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its digits is 181440, while the sum is 43.

The square root of 16798453 is about 4098.5915873627. The cubic root of 16798453 is about 256.1079714230.

The spelling of 16798453 in words is "sixteen million, seven hundred ninety-eight thousand, four hundred fifty-three".